Where does “pustula” come from?

pustula (Finnish) comes from Latin pustula, from Finnish pus-, from Proto-Indo-European bew- — "low-pitch humming noise".

pustula (Finnish): pustule

Definitions

  1. pustule

Ancestry of “pustula”, step by step

StepLanguageWordMeaning
1Latinpustulainflamed sore, blister, pustule
2Finnishpus-—
3Proto-Indo-Europeanbew-"low-pitch humming noise"
Every word from Proto-Indo-European bew- →Every word from Finnish pus- →Every word from Latin pustula →